“Kepler，Johann”概念、定义、翻译-科学时代

单词	Kepler，Johann
释义	历史学词汇手册 Kepler，Johann 开普勒，J（1571—1630，德国天文学家、数学家）
随便看	free cell free central placenta free charge free charge free-choice diet free-choice feeding free-choice system free church Free Church Federation Free Church of Scotland free circulation free circulation free collective bargaining free combination free commodity free companion free competition free competition free competition free composition free convection free convection free convection free convection free convection

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。